Valve



FIG. 1 is a left side elevational view of a valve according to the present invention, the right side elevational view being a mirror image thereof.

FIG. 2 is a front elevational view of the valve of FIG. 1, the rear of the valve being unornamented.

FIG. 3 is a top plan view of the valve of FIG. 1.

FIG. 4 is a bottom plan view of the valve of FIG. 1; and,

FIG. 5 is a perspective view of the valve of FIG. 1. 

CLAIM The ornamental design for a valve, as shown and described. 